package edu.nus.cs4243.recon.model;

import java.util.Collection;

/**
 * A view of the scene to be reconstructed.
 * 
 * @author johannes
 */
public interface SceneView {

	/**
	 * <p>
	 * Return the location of the feature in the view.
	 * </p>
	 * <p>
	 * If the feature is not in the view, <code>null</code> is returned.
	 * </p>
	 * 
	 * @param f
	 *            the Feature to be looked up
	 * @return The location of the feature, or null if its location is unknown
	 */
	public HasCoordinates2d getLocationInView(Feature f);
	
	/**
	 * <p>Return a set of all features in the view.</p>
	 * 
	 * @return
	 */
	public Collection<Feature> getFeatures();
	
	public Collection<Feature> getCommonFeatures(SceneView other);

}
